Good afternoon.Swiss Airline.Miss Grown speaking . Can I help you ?   Yes . I'd like to make a reservation to Los Angeles on Sep . 19th .   Just a moment , please . Let me check for you . ( A moment later ) Thank you for waiting . I am sorry but our flights are fully booked on that day.The next available flight leaves at 4:00 pm on 20th . Shall I reserve you a seat on it ?   Yes , please , thank you . 